Radiator cap



Aug. 23, 1932. R L 1,872,764

RADIATOR CAP Filed May 21, 1950 INVENTOR ROGER K. LEE. BY

A TTORNE Y Patented Aug. 23, 1932 UNITED. STATES PATENT OFFICE ROGER K. "LEE, O13 HIGHLAND PARK, MICHIGAN, ASSIGNOR T CHRYSLER CORPORA- TION, 011 DETROIT, MICHIGAN, A CORPORATION OF DELAWARE RADIATOR GAP Application filed May 21,

This invention relates-t0 an improved cap for spouts, particularly for filling spouts of the type used in motor vehicle radiators.

Herctotore, in radiator caps of the type. which have ornamentations such as w1ngs cap so that the ornamentation is properly located. When threaded connections are used between the radiator cap and filling spout, frequently the threads are not formed so as to position the ornamentation in a of the car when theicap is tight. I I The main objects of this invention are to provide a yieldable, expansible member in a cap of this kind which formsa water tight the outer edge of the spout 11 are slots 13 seal with the walls of a radiator spout; to provide means for releasably expanding the yieldable member after it is seated in a. spout; to provide means of this kind which is opv erable by manipulation of a decorative member with which the cap is provided; and to providev a radiator cap of improved construction which maybe convenientlymounted so as to place the decorative member in a. predetermined angular position when the cap is held against displacementby expan sion of the yieldable element.

An illustrativeembodiment of this invention is shown in the accompanying drawing,

inwhicha it Fig. 1 is a central vertical section showing a cap embodying my invention mounted on a radiator filling spout.

Fig. 2 is a horizontal section taken on line 2- 2 to Fig; 1.

Fig.8 is a centralvertical section showing a further development of my invention.

In the form shown, the radiator caphas a cylindrical neck portion which includes a cup shaped yieldable member 1 having a sub- 7 stantially planular end and cylindrical side 7 "ing apertures 9 and proper direction with respect to the" length 1930. Serial N0. 454,450.

walls 2. Formed on the outer edge of the side walls 2 is an inwardly extending peripheral flange 8; The yieldable member 1 is located between an outer substantially rigid disc shaped plate 4 which haslugs 5 on its periphery and an inner substantially rigid cup shaped member 6 having a peripheral flange '7 at its open end which engages the open end edges and flange 3 of the yieldable member 1. The inner portion of the rigid part 6 extends into the interior ofthe. yieldable member 1 and is provided with a central aperture 8 which registers with correspond- 10 in the member 1 and plate 4:. a r

. The neck of the cap is seated in the open end of a radiator filling spout llwhich is substantially cylindrical in shape and is enclosed by a radiator shell 12. Formed in in which the lugs 5 and plate 4 are seated 'for securing the plate against rotation relative to the spout. A bolt 14 having ahead 15 on its inner end engaging the cup shaped rigid member 6 extends outwardly through the cap by a cotter pin 16. The shank 14;

9 and 10 are of corresponding shape thus preventing rotation of the bolt relative to the neck part of the cap.

Threaded on the outer end of the bolt .14; is a nut part 17 having an ornamentation 18 thereon. The nut part 17 is provided with an end skirt 19 forming a recess 20 into which the open end of the spout 11 extends. Formed on the end wall 21 of the recess 20 is an annular ridge 22 which bears against the outer surface of the disc .lwhen the nut member 17 is screwed downwardly, In operation, the neck of the cab is inserte into the open end of the spout 11 when the nutpart 17 is released. Whenthe neck is in place the nut part 17 is tightened on the'bolt' of the bolt 14 is square and the apertures 8,,

14 thereby causing the yieldable member 1 to be compressed and forcefully urging the side walls thereof against the inner periphery of the spout 11. This action forms a water tight 5 seal and firmly holds the cap in place.

The nut part 17 may be slacked ofi' or tightened further as required to bring the ornamentation 18 into a proper angular relation with respect to the length of the vehicle upon which it is mounted. If it is found that this adjustmentrelaxes or augmentsthe compression of the yieldable memberll excessively, the nut part 17 may be loosened so as to permit angular adjustment of the neck part 'o'fthecap relative to the sspoutkll.

During compression'toflthe yieldablezm'emher 1 the side walls 2 thereof are restrained from outward expansion by the spout 11 but they are free to bulge inwardly into thean- 20 nular recess 28 betweenth'e sides ofthe rigid .eup sha-pedmember .6 and the .inne-r'periphery oftheside wall 20f the yieldable member which is provided by the flange 3 thereon. This freedom of the rubber memberto bulge .25 inwardly allows the ornamentednutpart 17 v .tobeifreelyadjusted within substantially'wide llimits without relaxing .the pressure exerted -on the:side walls ofthe radiator spout and without: the applicationof excessive :force.

In the. form shown in Fig.3, the=radiator jfillingspout 11 in connection with which .my 9 improved .radiator cap I is illustrated has an outwardly bulged .part .23 Lformingan .annu- Jar groove or depression 24: in theinnerperiphery of the spout. The cap is of thereon- .struction described :aboveand WhGHJJhG'TUb- "berrmember'Q .thereofistcompressed, the sides thereof are expanded into the :groove '24, thereby securely holding-theicap against 1m- 40 intentional displacement'fromthe spout.

Although several specific embodiments of this invention have hereinbeen shownand. described, it will be understood that various :changesincludingthe size, shape and arrangement of parts maybe made without departing from the-spirit of my invention and it isnot .my intention tolimit its scope other than'by the terms oft-the appendedclaims.

I claim:

1. .iIn-a spout. cap, a. stem having. inner. and

outer rigid .me-mbers, and. an intermediate yieldable member, a lugonone of saidrigid -memberszfor securing saidstem against rotation,1and. means on saidcap for compressing .said intermediate member .betweensaid rigid members and against the inner periphery or a spout.

, 2.:In a spout.cap,a steminclu'ding inner .and outer rigid members and an intermediate 1 rubber member therebetweemlugs on one .of

said rigidmembers-adapted toseat inrecess in the wall of a-spout, and means on said cap for compressing said rubber member-against 'the inner periphery of aspout.

l3. lnucombination,.aradiaton.fillingspout having notches in its outer extremity, an outer support located in the upper end of said spout having projections seated in said notches, an inner support located in spaced relation to said outer support, a rubber member between said supports and engaging the inner periphery of said spout, and means coacting with said supports comprising a threaded stem and nut member for compressing said rubber member firmly against the .innenperiphery of saidspout, and -an ornament on said nuttmember 'adaptedto be positioned by rotation thereof during compressing of said rubber member.

4. In combination,- a 'ra'diator iilling spout, iaspout cap including a pairof' spaced rigid elements and an intermediate yieldable ele 'm'ent; a member connecting said elements .for compressing said intermediate element against the sides of said spout and securing said .elements-.-against .relative rotation, and means on-one of said-rigid elementsfor coactin-gwith saidzspout to secure said elements against rotation relative thereto.

-;'5. Incombination, a radiator filling spout, a spoutcaprincluding a support, a vertically ishiftable member mounted .on said support, -.a .clampingmember .on the inner end of said .shiftable .member comprising tubular part ,having side wallsspaced fromthe sides of said spout, meansrforurging said support and clamping,membertogether, and a yieldable "member having .a tubular portion between said supportand clamping. member, the in .neiflv periphery ofthe tubular portion of said yieldable member being spaced from the out- .er.,periphery Ofthetubular portion of said clamping. member so, as .to permit inwardly bulging ofthesides of .the tubular portion of. said yieldablemember when the outer .pe- .ripher-y of.the latter is compressed against the :side walls of said spout.

6. "Incombination, a radiator fillingspout, aspoutcap. including a support, a vertically .shiftable .member "mounted on said support .havingtathreaded outer end, a clamping memberimounted on 'the inner end of said .shiftablememberhaving a tubular portion spacedfrom'the sides of said spout and a protruding Qfiange, ,a yieldable sleeve located between said support and clamping member and. seated on .said flange, there being clearance between the adjacenttsides of said clamping member and yieldable sleeve,. and a nut .threadedon .said shiftable member having :an ornamentation thereon for compressing said yieldable sleeve between .said support and .flange, said clearance. allowing inward bulging or said sleeve after the outerside there- .of .is compressed against the side of said .spoutjfor permittingtheornamentation to be l ly..positioned by further rotation of -saidnutpart; v

I7:combinat-ion, aradiator filling spout .having .a,,groove. in its inner periphery and notches in its outer extremity, a support having lugs engaged in said notches and a central aperture, a threaded member slidably mounted in said aperture and secured against rotation relative to said support, a rigid member on said threaded member, an expansible element between said support and said rigid member, and a cap thread on said threaded member for clamping said expansible element between said support and rigid member so as to expand the same into said groove.

ROGER K. LEE. 

